Patents by Inventor Naohiro Kariya

Naohiro Kariya has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20100139681
    Abstract: A hair cosmetic composition containing the following components (A) and (B): (A) is/are one or more copolymers selected from the following components (A1) and (A2): (A1) is a copolymer of (a) from 30 to 80 wt. % of a (meth)acrylamide monomer, (b) from 2 to 50 wt. % of a (meth)acrylamide monomer, (c) from 0 to 30 wt. % of a (meth)acrylate monomer or (meth)acrylamide monomer, and (d) from 0 to 40 wt. % of a (meth)acrylate monomer; (A2) is a copolymer of (a) from 30 to 80 wt. % a (meth)acrylamide monomer, (b) from 5 to 45 wt. % of a (meth)acrylate monomer, (c) from 2 to 30 wt. % of a (meth)acrylate monomer or (meth)acrylamide monomer, and (d) from 0 to 30 wt.
    Type: Application
    Filed: May 30, 2008
    Publication date: June 10, 2010
    Applicant: Kao Corporation
    Inventors: Masato Oshika, Naohiro Kariya, Nakako Sato, Atsushi Nakamura
  • Patent number: 7500487
    Abstract: A hairdressing tool includes a slender hair holder having a hair inlet at one end thereof and made of a flexible material, a hair inserter for inserting hair in or through the hair holder, and a curler for rolling, curving or bending the hair held by the hair holder into a prescribed shape. A hairdressing method includes holding a prescribed amount of hair in or through a slender hair holder of a hairdressing tool, the hair holder including a flexible material and being capable of holding hair, and rolling, curving or bending the hair held by the hair holder by a prescribed curler possessed by the hair holder.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: March 10, 2009
    Assignee: Kao Corporation
    Inventors: Hideo Kobayashi, Takehiko Tojo, Naohiro Kariya, Shingo Odajima
  • Publication number: 20040231689
    Abstract: A hairdressing tool of the invention comprises a slender hair holder having a hair inlet at one end thereof and made of a flexible material, a hair inserter for inserting hair in or through the hair holder, and curling means for rolling, curving or bending the hair held by the hair holder into a prescribed shape. A hairdressing method of the invention comprises holding a prescribed amount of hair in or through a slender hair holder of a hairdressing tool, the hair holder comprising a flexible material and being capable of holding hair, and rolling, curving or bending the hair held by the hair holder by prescribed curling means possessed by the hair holder.
    Type: Application
    Filed: June 23, 2004
    Publication date: November 25, 2004
    Inventors: Hideo Kobayashi, Takehiko Tojo, Naohiro Kariya, Shingo Odajima
  • Patent number: 6096099
    Abstract: Disclosed herein is a hair dye composition comprising (A) benzyloxyethanol and/or benzyl alcohol, (B) propylene carbonate and (C) an acid dye and having a pH of 2.0 to 6.0. The composition has excellent hair-dyeing ability and good fastness to shampoo.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: August 1, 2000
    Assignee: Kao Corporation
    Inventors: Naohiro Kariya, Atsushi Nakashimada, Nozomi Hagashima, Yutaka Shibata, Masahiko Sakai, Hajime Miyabe